A Daily Kos diarist describes Houston's organizational meeting...

Last night in Houston, the 100% Grassroots supported Volunteer office hosted an event meant to encourage attendance at their upcoming Grand Opening, explain the Texas Caucus process, encourage Obama Supporters to run as Delegates at the caucus, and start/continue neighborhood GOTV efforts.  While there was no official count, there were at least 150 people who showed up, and about 10 minutes after starting, the room was filled to capacity.

More on the Houston grassroots in the Houston Chronicle...